The $_Post Variable

The $_POST Variable
The variable is an array of variable names and values that is sent by the HTTP POST method. The $_POST variable is used to collect values from a form with the method=”post”. The information sent from a form through this method is invisible to others and has no limits with concerns to the [...]

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Forms - Get Variable continued

The file “welcome.php” can now use the $_GET variable to obtain all the required information which is shown on the address bar. As it does that, all the name fields of the form will automatically be the ID keys in the $_GET array variable.
Welcome .
You are years old!
The use of the $_GET variable results in [...]

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PHP $_GET

The $_GET variable is an array of variable names with the corresponding values sent by the HTTP GET method. It is used to collect values from a form by using the method=”get”. All information sent by a form using this method is visible to all on the browser’s address bar but it is limited to [...]

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Form Validation

As the previous post discussed, PHP is very easy to use with web pages for the language has all the elements of a web page as a useable element. Now, going forward, forms or pages are easily handled and checked on the user end, meaning when you open a page the data input is easier [...]

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Forms and User Input continued

The sample page in the previous post contains two input fields that are name and age, when the user inputs the data and clicks on the submit button, the form’s data is sent to the file “welcome.php” file. The resulting php file would look something like this:

Welcome .
You are years old

The output of the [...]

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PHP forms and User Input

PHP as a scripting language means it is designed to work with ease of use on web page designs. Such pages often require the user to input data which can then be treated as input to the various elements of the program that are contained within the script to obtain the desired result. The PHP [...]

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Functions that return Values

That’s how easy a function can be made to do a series of operations by being influenced by parameters. We now focus on the area of having functions that returns a value, say the processing of a block of code or an operation done on a set of data.
Sample :

The output of the code would [...]

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Functions with Parameters

Now, the first sample PHP function did something very simple that it displayed a string that does not change and was not influenced by any parameters. We then move to show functions with one or more parameters that make them more powerful and diverse. That is done by placing these parameters inside the “()”.

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